September weather forecastCikaso, Indonesia

September

Weather in September

The first month of the spring, September, is still a warm month in Cikaso, Indonesia, with temperature in the range of an average high of 28°C (82.4°F) and an average low of 18°C (64.4°F).

Temperature

September, recording an average high temperature of 28°C (82.4°F) and a low temperature of 18°C (64.4°F), is Cikaso's warmest month.

Heat index

The heat index value during September is estimated at a hot 31°C (87.8°F). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', gives an indication of how one might feel in terms of heat after considering humidity. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.

Humidity

September is the least humid month, with an average relative humidity of 75%.

Rainfall

In September, the rain falls for 20.6 days. Throughout September, 90mm (3.54") of precipitation is accumulated. In Cikaso, during the entire year, the rain falls for 308.7 days and collects up to 2742mm (107.95") of precipitation.

Daylight

The average length of the day in September is 12h and 4min.
On the first day of the month, sunrise is at 05:50 and sunset at 17:49. On the last day of September, in Cikaso, Indonesia, sunrise is at 05:34 and sunset at 17:44 WIB.

Sunshine

The month with the most sunshine is September, with an average of 8.9h of sunshine.

UV index

January, February, April, June through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, the maximum UV index of 6 translates into these guidelines:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.

Frequently asked questions

September, marked by an average high-temperature of 28°C (82.4°F) and a low-temperature of 18°C (64.4°F), is the warmest month.

In Cikaso, 28°C (82.4°F) is the average high-temperature and 18°C (64.4°F) is the average low-temperature during September. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, in September is estimated at 31°C (87.8°F).

The least humid month is September, with an average relative humidity of 75%.

The average relative humidity in September is 75%.

In September, the rain falls for 20.6 days. Throughout September, 90mm (3.54") of precipitation is accumulated.

In September, the average day length is 12h and 4min.

On the first day of September, sunrise is at 05:50 and sunset at 17:49. On the last day of the month, sunrise is at 05:34 and sunset at 17:44 WIB.

September has the most sunshine of the year, with an average of 8.9h of sunshine.

The average sunshine duration in September is 8.9h.

January, February, April, June through December, with an average maximum UV index of 6, are months with the highest UV index.

In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Cikaso, Indonesia

  • Average high temperature in September: 28°C

The warmest month (with the highest average high temperature) is September (28°C).
The months with the lowest average high temperature are January and February (25.3°C).

  • Average low temperature in September: 18°C

The month with the highest average low temperature is December (20.1°C).
The coldest month (with the lowest average low temperature) is July (17.6°C).

Average pressure in September
Cikaso, Indonesia

  • Average pressure in September: 1011.5mbar

The month with the highest atmospheric pressure is September (1011.5mbar).
The month with the lowest atmospheric pressure is December (1009.4mbar).

Average wind speed in September
Cikaso, Indonesia

  • Average wind speed in September: 5.3km/h

The windiest month (with the highest average wind speed) is January (5.5km/h).
The calmest month (with the lowest average wind speed) is April (3.9km/h).

Average humidity in September
Cikaso, Indonesia

  • Average humidity in September: 75%

The months with the highest relative humidity are February and April (87%).
The month with the lowest relative humidity is September (75%).

Average rainfall in September
Cikaso, Indonesia

  • Average rainfall in September: 90mm

The wettest month (with the highest rainfall) is March (381mm).
The driest month (with the least rainfall) is August (69mm).

Average rainfall days in September
Cikaso, Indonesia

  • Average rainfall days in September: 20.6 days

The month with the highest number of rainy days is March (30.3 days).
The month with the least rainy days is August (17.3 days).

Average daylight in September /
Average sunshine in September
Cikaso, Indonesia

  • Average daylight in September: 12h and 6min

The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 42min).

  • Average sunshine in September: 8h and 54min

The month with the most sunshine is September (Average sunshine: 8h and 54min).
The month with the least sunshine is July (Average sunshine: 6h and 30min).

Average sunshine days in September
Cikaso, Indonesia

  • Average sunshine days in September: 6.2 days

The month with the most sunshine days is August (11.1 days).
The month with the least sunshine days is February (0.3 days).

Average UV index in September
Cikaso, Indonesia

  • Average UV index in September: 6

The months with the highest UV index are January, February, April, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are March and May (UV index 5).

Average cloud cover in September
Cikaso, Indonesia

  • Average cloud cover in September: 35

The months with the most cloud cover are January and February (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 35).

Average visibility in September
Cikaso, Indonesia

  • Average visibility in September: 8km

The months with the highest visibility are June, August, September, October, November and December (8km).
The months with the lowest visibility are January, February, March, April, May and July (7km).